Home / 74,149.30-111,161.57-60,074.42

Finding the Fourth Proportional to 74,149.30, 111,161.57 and 60,074.42

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Solution

The fourth proportional to 74,149.30, 111,161.57 and 60,074.42 is: 90,061.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,149.30 : 111,161.57 = 60,074.42 : x
  2. Step 2: Convert to fraction form
    74,149.30/111,161.57 = 60,074.42/x
  3. Step 3: Cross multiply
    74,149.30x = 111,161.57 × 60,074.42
  4. Step 4: Simplify right side
    74,149.30x = 6,677,966,543.67
  5. Step 5: Solve for x
    x = 6,677,966,543.67/74,149.30
  6. Step 6: Final answer
    x = 90,061.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.